1617043c10
Reason for revert:
Breaks benchmark with --turbo on avx2
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20-%20avx2/builds/9895
Original issue's description:
> Reland of "[heap] Switch to 500k pages"
>
> Decrease regular heap object size to 400k. In a follow up, we can now get rid of
> the new space border page while keeping the 1M minimum new space size.
>
> BUG=chromium:636331
>
> This reverts commit 555c961990.
>
> Committed: https://crrev.com/20e2ea80e169e85c5b8231adc02901fb6c989609
> Cr-Commit-Position: refs/heads/master@{#38608}
TBR=hpayer@chromium.org,yangguo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:636331
Review-Url: https://codereview.chromium.org/2239323002
Cr-Commit-Position: refs/heads/master@{#38613}
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef HEAP_HEAP_UTILS_H_
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#define HEAP_HEAP_UTILS_H_
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#include "src/heap/heap.h"
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namespace v8 {
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namespace internal {
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namespace heap {
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void SealCurrentObjects(Heap* heap);
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int FixedArrayLenFromSize(int size);
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std::vector<Handle<FixedArray>> CreatePadding(
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Heap* heap, int padding_size, PretenureFlag tenure,
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int object_size = Page::kMaxRegularHeapObjectSize);
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void AllocateAllButNBytes(
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v8::internal::NewSpace* space, int extra_bytes,
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std::vector<Handle<FixedArray>>* out_handles = nullptr);
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void FillCurrentPage(v8::internal::NewSpace* space,
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std::vector<Handle<FixedArray>>* out_handles = nullptr);
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// Helper function that simulates a full new-space in the heap.
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bool FillUpOnePage(v8::internal::NewSpace* space,
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std::vector<Handle<FixedArray>>* out_handles = nullptr);
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void SimulateFullSpace(v8::internal::NewSpace* space,
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std::vector<Handle<FixedArray>>* out_handles = nullptr);
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// Helper function that simulates many incremental marking steps until
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// marking is completed.
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void SimulateIncrementalMarking(i::Heap* heap, bool force_completion = true);
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// Helper function that simulates a full old-space in the heap.
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void SimulateFullSpace(v8::internal::PagedSpace* space);
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void AbandonCurrentlyFreeMemory(PagedSpace* space);
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void GcAndSweep(Heap* heap, AllocationSpace space);
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} // namespace heap
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} // namespace internal
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} // namespace v8
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#endif // HEAP_HEAP_UTILS_H_
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